Telegraph: Researchers who analysed 30,000 academic studies dating back to 1970 said man was responsible for changes that ranged from the loss of ice sheets to the collapse in numbers of many species of wildlife. “Humans are influencing climate through increasing greenhouse gas emissions, and the warming world is causing impacts on physical and biological systems,” said Cynthia Rosenzweig, at the Nasa Goddard Institute for Space Studies. The effects on living things include …